thumb|right|200px|The unusual structure of the dithionite anion. It has a remarkably long sulfur-sulfur bond.
thumb|right|200px|The unusual structure of the dithionite anion. It has a remarkably long sulfur-sulfur bond.
thumb|right|200px|A ball-and-stick model of the dithionite ion.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).